Donald K. Frerichs

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Shaker Heights, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus to diagnose mechanical problems in machinery
- Patent number 7,225,109
- Issue date May 29, 2007
- ABB Inc.
- Donald Karl Frerichs
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for detecting faults in steam generator system...
- Patent number 7,113,890
- Issue date Sep 26, 2006
- ABB Inc.
- Donald Karl Frerichs
- F22 - STEAM GENERATION
Information Patent Grant
Process and device for evaluating the performance of a process cont...
- Patent number 6,865,511
- Issue date Mar 8, 2005
- ABB Inc.
- Donald K. Frerichs
- G05 - CONTROLLING REGULATING
Information Patent Grant
Process and device for evaluating the performance of a process cont...
- Patent number 6,799,143
- Issue date Sep 28, 2004
- ABB Inc.
- Donald K. Frerichs
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method and procedure for neural control of dynamic processes
- Patent number 5,175,678
- Issue date Dec 29, 1992
- Elsag International B.V.
- Donald K. Frerichs
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus to diagnose mechanical problems in machinery
- Publication number 20050154542
- Publication date Jul 14, 2005
- ABB Inc.
- Donald Karl Frerichs
- G05 - CONTROLLING REGULATING
Information Patent Application
Method and apparatus for detecting faults in steam generator system...
- Publication number 20050096757
- Publication date May 5, 2005
- ABB Inc.
- Donald Karl Frerichs
- F22 - STEAM GENERATION
Information Patent Application
Process and device for evaluating the performance of a process cont...
- Publication number 20040215353
- Publication date Oct 28, 2004
- ABB Inc.
- Donald K. Frerichs
- G05 - CONTROLLING REGULATING